Siemens A34999 fault code meaning

Series: G130-G150, S120-S150

VSM: Unknown alarm

converter

Meaning: An alarm that the control unit firmware cannot recognize occurred on the voltage monitoring module (VSM). This fault may occur if the firmware on this component is newer than the control unit firmware.

Possible causes

Source: SINAMICS G130_G150 P1945; SINAMICS S120_S150 P3137

Series: G200, G210X

VSM: Unknown alarm

converter

Meaning: An alarm that the converter firmware cannot recognize has occurred on the voltage monitoring module (VSM). This may occur if the component firmware is newer than the converter firmware.

Possible causes

Source: SINAMICS G200 converter P788; SINAMICS G210X converter P1055